Physics is the one of the branches of science that studies the fundamental laws of the universe, from the smallest particles like atom to the vastness of unending space. It helps to understand the nature of matter, energy, and the forces that shape the physical world. Through principles like motion, force, energy, and electromagnetism etc. physics explains how objects interact, why they move, and how they change. Here are the 50 miscellaneous gk MCQs about physics.
Q.1) A light year is a measure in?
(1) Speed
(2) Velocity
(3) Distance
(4) Time
Answer – (3) Distance
Q.2) Which device is used to limit the current in an electrical circuit?
(1) Grid
(2) Fuse
(3) Hub
(4) Conductor
Answer – (2) Fuse
Q.3) When a body falls from an airplane, there is increase in?
(1) Kinetic Energy
(2) Mass
(3) Acceleration
(4) Potential Energy
Answer – (1) Kinetic Energy
Q.4) Which types of coal produces most heat per unit?
(1) Coal
(2) Lignite
(3) Anthracite
(4) Pit
Answer – (3) Anthracite
Q.5) Which waves is used for communication by artificial satellites?
(1) Micro Waves
(2) Radio Waves
(3) Mechanical Waves
(4) Frequency Waves
Answer – (1) Micro Waves
Q.6) Energy is continuously created in the sun due to?
(1) Nuclear Fusion
(2) Nuclear Fission
(3) Radioactivity
(4) Artificial Radioactivity
Answer – (1) Nuclear Fusion
Q.7) When the barometer reading falls suddenly, it is an indication of?
(1) Hot Weather
(2) Calm Weather
(3) Storm Weather
(4) Dry Weather
Answer – (3) Storm Weather
Q.8) Which of the following is good conductor of electricity?
(1) Dry Air
(2) Paper
(3) Kerosene
(4) Graphite
Answer – (4) Graphite
Q.9) Which is the fourth state of matter?
(1) Gas
(2) Vapour
(3) Plasma
(4) Electrons
Answer – (3) Plasma
Q.10) Which of the following instruments is used to study dispersion of light?
(1) Microscope
(2) Telescope
(3) Spectrometer
(4) Photometer
Answer – (3) Spectrometer
Q.11) The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as ?
(1) Audible Sounds
(2) Ultrasonics
(3) Infrasonic
(4) Mega sonics
Answer – (1) Audible Sounds
Q.12) Gamma rays have close similarity with?
(1) α-rays
(2) β-rays
(3) X-rays
(4) U.V.-rays
Answer – (3) X-rays
Q.13) Which rays will enter into atmosphere with the absence of ozone layer?
(1) Infrared
(2) Visible
(3) Ultraviolet
(4) X-rays
Answer – (3) Ultraviolet
Q.14) Tape recorder should not be kept near which things?
(1) Clock
(2) Magnet
(3) Electrical Switchboard
(4) Radio
Answer – (2) Magnet
Q.15) Which of the following is optical illusion?
(1) Rainbow
(2) Earthshine
(3) Halo
(4) Mirage
Answer – (4) Mirage
Q.16) What is measured using Pycnometer?
(1) Density
(2) Intensity Of Solar Radiation
(3) Intensity Of Earthquake
(4) High Temperatures
Answer – (1) Density
Q.17) Rain drops acquire spherical shape due to ?
(1) Viscosity
(2) Surface Tension
(3) Friction
(4) Elasticity
Answer – (2) surface tension
Q.18) What is produced using Coolidge tube?
(1) Radio Waves
(2) Micro Waves
(3) X-Rays
(4) Gama Rays
Answer – (3) X-Rays
Q.19) Which of the following is used for regulated electric supply?
(1) Zener Diode
(2) Junction Diode
(3) Gun Diode
(4) Tunnel Diode
Answer – (1) Zener Diode
Q.20) The method of protecting iron from rusting, by coating a thin layer of Zinc is called?
(1) Galvanizing
(2) Rancidity
(3) Alloy
(4) Pulverizing
Answer – (1) Galvanizing
Q.21) Ultra violet radiations of the Sun do not reach the earth because, earth’s atmosphere is surrounded by?
(1) Carbon dioxide
(2) Ammonia
(3) Chlorine
(4) Ozone
Answer – (4) Ozone
Q.22) “Curie” is unit of?
(1) Radioactivity
(2) Temperature
(3) Heat
(4) Energy
Answer – (1) Radioactivity
Q.23) Speed of sound is the greatest in?
(1) Solid
(2) Liquid
(3) Gases
(4) Air
Answer – (1) Solid
Q.24) The hydraulic brakes used in automobiles is a direct application of?
(1) Archimedes’ Principle
(2) Torricellian Law
(3) Bernoulli’s Theorem
(4) Pascal’s Law
Answer – (4) Pascal’s Law
Q.25) What is the SI unit of Current?
(1) Energy
(2) Power
(3) Ampere
(4) Newton
Answer – (3) Ampere
Q.26) What is used to split white light into different colors?
(1) Glass Slab
(2) Convex Lens
(3) Concave Lens
(4) Prism
Answer – (4) Prism
Q.27) Energy that is produced from coal is called?
(1) Light Energy
(2) Kinetic Energy
(3) Thermal Energy
(4) Potential Energy
Answer – (3) Thermal Energy
Q.28) Which of the following is a non-renewable source of energy?
(1) Biogas
(2) Solar
(3) Wind
(4) Coal
Answer – (4) Coal
Q.29) Solar energy is converted into chemical energy during?
(1) Transpiration
(2) Photosynthesis
(3) Diffusion
(4) Osmosis
Answer – (2) Photosynthesis
Q.30) Decibel is the SI unit of?
(1) Speed Of Light
(2) Intensity Of Heat
(3) Intensity of Sound
(4) Radio Wave Frequency
Answer – (3) Intensity of Sound
Q.31) The term ‘Isoneph’ indicates the lines of equal?
(1) Equal Cloudiness
(2) Equal Salinity
(3) Equal Rainfall
(4) Equal Pressure
Answer – (1) Equal Cloudiness
Q.32) Which instrument is used to measure very high temperature?
(1) Hydrometer
(2) Odometer
(3) Pyrometer
(4) Viscometer
Answer – (3) Pyrometer
Q.33) Which type of mirror used in the headlamps of cars?
(1) Parabolic Concave
(2) Plane
(3) Spherical Convex
(4) Cylindrical Concave
Answer – (1) Parabolic Concave
Q.34) The rate of transfer of charges through a circuit is called?
(1) Potential Difference
(2) Resistance
(3) Electric Current
(4) Energy
Answer – (3) Electric Current
Q.35) The filament of electric bulb is made up of?
(1) Copper
(2) Nichrome
(3) Lead
(4) Tungsten
Answer – (4) Tungsten
Q.36) Electricians use rubber gloves while working because?
(1) rubber is an Insulator
(2) rubber is a Good Conductor
(3) Wearing Rubber Gloves Is Mandatory
(4) Rubber Makes Work Easy
Answer – (1) Rubber is an Insulator
Q.37) Who invented water thermometer?
(1) Galileo Galilei
(2) Harry Brearley
(3) Daniel Gabriel Fahrenheit
(4) Thomas Newcome
Answer – (1) Galileo Galilei
Q.38) Which of the following is a good conductor of heat but a bad conductor of electricity?
(1) Celluloid
(2) Rubber
(3) Asbestos
(4) Mica
Answer – (4) Mica
Q.39) In MRI machine, which of the following is used?
(1) Sound wave
(2) X-ray
(3) Ultra-Sound Wave
(4) Magnetic Wave
Answer – (4) Magnetic Wave
Q.40) The amount of water vapour in the atmosphere is measured?
(1) Humidity
(2) Droplets
(3) Smog
(4) All of the Above
Answer – (1) Humidity
Q.41) Where the ozone hole has been detected in the atmosphere?
(1) Arctic Ocean
(2) Antarctica
(3) India
(4) Alaska
Answer – (2) Antarctica
Q.42) Which device is used to change the speed of an electric fan?
(1) Amplifier
(2) Regulator
(3) Switch
(4) Rectifier
Answer – (2) Regulator
Q.43) What is the SI unit of ‘Intensity of Flame’?
(1) Radian
(2) Kelvin
(3) Joule
(4) Candela
Answer – (4) Candela
Q.44) The atmosphere gets heated mainly because of?
(1) Insulation
(2) Conduction
(3) Radiation
(4) Convection
Answer – (3) Radiation
Q.45) Which atmospheric layer reflecting radio waves?
(1) Ozonosphere
(2) Ionosphere
(3) Stratosphere
(4) Mesosphere
Answer – (2) Ionosphere
Q.46) Heat from the Sun reaches the Earth by?
(1) Reflection
(2) Conduction
(3) Radiation
(4) Convection
Answer – (3) Radiation
Q.47) Which thermometric substance is commonly used?
(1) Kerosene Oil
(2) Alcohol
(3) Mercury
(4) Petrol
Answer – (3) Mercury
Q.48) Who gave the ‘Quantum Theory’?
(1) Lee Dee Forest
(2) Max Planck
(3) Madam Curie
(4) Newton
Answer – (2) Max Planck
Q.49) Global warming is expected to result in what?
(1) Increase in level of sea
(2) Change in Crop Pattern
(3) Change in Coast Line
(4) All of the Above
Answer – (4) All of the Above
Q.50) A transformer works on the principle of?
(1) Self Induction
(2) Mutual Induction
(3) Generator
(4) Inverter
Answer – (2) Mutual Induction
Physics is the foundation of our understanding of the universe, revealing the principles that govern everything from sub-atomic particles to cosmic phenomena. These were the 50 gk MCQs about physics, hope you like it. To study more gk about different topics, explore our pages https://testyourgk.in/category/ancient-indian-history/where you will find tons of gk.
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